gdb/testsuite/gdb.reverse/step-reverse.exp

   1 # Copyright 2008-2014 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  15
  16 # This file is part of the GDB testsuite.  It tests reverse stepping.
  17 # Lots of code borrowed from "step-test.exp".
  18
  19 #
  20 # Test step and next in reverse
  21 #
  22
  23 if ![supports_reverse] {
  24     return
  25 }
  26
  27 standard_testfile
  28
  29 if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
  30     return -1
  31 }
  32
  33 runto main
  34
  35 if [supports_process_record] {
  36     # Activate process record/replay
  37     gdb_test_no_output "record" "Turn on process record"
  38 }
  39
  40 # plain vanilla step/next (no count)
  41
  42 gdb_test "next" ".*NEXT TEST 1.*" "next test 1"
  43 gdb_test "step" ".*STEP TEST 1.*" "step test 1"
  44
  45 # step/next with count
  46
  47 gdb_test "next 2" ".*NEXT TEST 2.*" "next test 2"
  48 gdb_test "step 3" ".*STEP TEST 2.*" "step test 2"
  49
  50 # step over call
  51
  52 gdb_test "step" ".*NEXT OVER THIS CALL.*" "step up to call"
  53 gdb_test "next" ".*STEP INTO THIS CALL.*" "next over call"
  54
  55 # step into call
  56
  57 gdb_test "step" ".*ARRIVED IN CALLEE.*" "step into call"
  58
  59 # finish out of call
  60
  61 set test_message "finish out of fn call"
  62 gdb_test_multiple "finish" "$test_message" {
  63     -re "FINISH TEST.*$gdb_prompt $" {
  64         pass "$test_message"
  65     }
  66     -re "STEP INTO THIS CALL.*$gdb_prompt $" {
  67         send_gdb "step\n"
  68         exp_continue
  69     }
  70 }
  71
  72 # stepi over flat code (no calls)
  73
  74 set test_message "simple stepi"
  75 gdb_test_multiple "stepi" "$test_message" {
  76     -re "STEPI TEST.*$gdb_prompt $" {
  77         pass "$test_message"
  78     }
  79     -re "FINISH TEST.*$gdb_prompt $" {
  80         send_gdb "stepi\n"
  81         exp_continue
  82     }
  83     -re "NEXTI TEST.*$gdb_prompt $" {
  84         fail "$test_message (too far)"
  85     }
  86 }
  87
  88 # stepi into a function call
  89
  90 set test_message "stepi into function call"
  91 gdb_test_multiple "stepi" "$test_message" {
  92     -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
  93         pass "$test_message"
  94     }
  95     -re "NEXTI TEST.*$gdb_prompt $" {
  96         fail "$test_message (too far)"
  97     }
  98     -re "RETURN FROM CALLEE.*$gdb_prompt $" {
  99         fail "$test_message (too far)"
 100     }
 101     -re "ENTER CALLEE.*$gdb_prompt $" {
 102         send_gdb "stepi\n"
 103         exp_continue
 104     }
 105     -re "STEPI TEST.*$gdb_prompt $" {
 106         send_gdb "stepi\n"
 107         exp_continue
 108     }
 109 }
 110
 111 # stepi thru return of a function call
 112
 113 set test_message "stepi back from function call"
 114 gdb_test_multiple "stepi" "$test_message" {
 115     -re "NEXTI TEST.*$gdb_prompt $" {
 116         pass "$test_message"
 117     }
 118     -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
 119         send_gdb "stepi\n"
 120         exp_continue
 121     }
 122     -re "RETURN FROM CALLEE.*$gdb_prompt $" {
 123         send_gdb "stepi\n"
 124         exp_continue
 125     }
 126     -re "STEPI TEST.*$gdb_prompt $" {
 127         send_gdb "stepi\n"
 128         exp_continue
 129     }
 130     -re "ENTER CALLEE.*$gdb_prompt $" {
 131         fail "$test_message (too far)"
 132     }
 133 }
 134
 135 ###
 136 ###
 137 ###
 138
 139 # Set reverse execution direction
 140
 141 gdb_test_no_output "set exec-dir reverse" "set reverse execution"
 142
 143 # stepi backward thru return and into a function
 144
 145 set stepi_location  [gdb_get_line_number "ARRIVED IN CALLEE" "$srcfile"]
 146 set test_message "reverse stepi thru function return"
 147 gdb_test_multiple "stepi" "$test_message" {
 148     -re "NEXTI TEST.*$gdb_prompt $" {
 149         fail "$test_message (start statement)"
 150     }
 151     -re "RETURN FROM CALLEE.*$gdb_prompt $" {
 152         send_gdb "stepi\n"
 153         exp_continue
 154     }
 155     -re "$hex\[ \t\]*$stepi_location.*ARRIVED IN CALLEE.*$gdb_prompt $" {
 156         send_gdb "stepi\n"
 157         exp_continue
 158     }
 159     -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
 160         pass "$test_message"
 161     }
 162     -re "ENTER CALLEE.*$gdb_prompt $" {
 163         fail "$test_message (too far)"
 164     }
 165     -re "STEPI TEST.*$gdb_prompt $" {
 166         fail "$test_message (too far)"
 167     }
 168 }
 169
 170 # stepi backward out of a function call
 171
 172 set stepi_location  [gdb_get_line_number "STEPI TEST" "$srcfile"]
 173 set test_message "reverse stepi from a function call"
 174 gdb_test_multiple "stepi" "$test_message" {
 175     -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
 176         fail "$test_message (start statement)"
 177     }
 178     -re "ENTER CALLEE.*$gdb_prompt $" {
 179         send_gdb "stepi\n"
 180         exp_continue
 181     }
 182     -re "${hex} in main .*:$stepi_location.*STEPI TEST.*$gdb_prompt $" {
 183         send_gdb "stepi\n"
 184         exp_continue
 185     }
 186     -re "STEPI TEST.*$gdb_prompt $" {
 187         pass "$test_message"
 188     }
 189     -re "STEP INTO THIS CALL.*$gdb_prompt $" {
 190         fail "$test_message (too far)"
 191     }
 192 }
 193
 194 # stepi backward over flat code (no calls)
 195
 196 set stepi_location  [gdb_get_line_number "FINISH TEST" "$srcfile"]
 197 set test_message "simple reverse stepi"
 198 gdb_test_multiple "stepi" "$test_message" {
 199     -re "STEPI TEST.*$gdb_prompt $" {
 200         fail "$test_message (start statement)"
 201     }
 202     -re "$hex\[ \t\]*$stepi_location.* FINISH TEST.*$gdb_prompt $" {
 203         send_gdb "stepi\n"
 204         exp_continue
 205     }
 206     -re "$stepi_location.* FINISH TEST.*$gdb_prompt $" {
 207         pass "$test_message"
 208     }
 209     -re "STEP INTO THIS CALL.*$gdb_prompt $" {
 210         fail "$test_message (too far)"
 211     }
 212 }
 213
 214 # step backward into function (thru return)
 215
 216 set test_message "reverse step into fn call"
 217 gdb_test_multiple "step" "$test_message" {
 218     -re "RETURN FROM CALLEE.*$gdb_prompt $" {
 219         send_gdb "step\n"
 220         exp_continue
 221     }
 222     -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
 223         pass "$test_message"
 224     }
 225 }
 226
 227 # step backward out of called function (thru call)
 228
 229 gdb_test "step" ".*STEP INTO THIS CALL.*" "reverse step out of called fn"
 230
 231 # next backward over call
 232
 233 gdb_test "next" ".*NEXT OVER THIS CALL.*" "reverse next over call"
 234
 235 # step/next backward with count
 236
 237 gdb_test "step 3" ".*REVERSE STEP TEST 1.*" "reverse step test 1"
 238 gdb_test "next 2" ".*REVERSE NEXT TEST 1.*" "reverse next test 1"
 239
 240 # step/next backward without count
 241
 242 gdb_test "step" ".*STEP TEST 1.*" "reverse step test 2"
 243 gdb_test "next" ".*NEXT TEST 1.*" "reverse next test 2"
 244
 245
 246
 247 # Finish test by running forward to the end.
 248 # FIXME return to this later...
 249 # gdb_test_no_output "set exec-dir forward" "set forward execution"
 250 # gdb_continue_to_end "step-reverse.exp"
 251